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ACI 305RS 10:2011 Edition

$51.86

305RS-10 Guide to Hot Weather Concreting/306RS-10 Guide to Cold Weather Concreting – Spanish Language

Published By Publication Date Number of Pages
ACI 2011 27
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Keywords: air entrainment; cooling; curing; evaporation; high temperature; hot weather construction; plastic shrinkage; production methods; retempering; slump tests; water content; accelerating admixtures; antifreeze admixtures; cold weather concreting; concrete temperature; curing; enclosures; form removal; freezing and thawing; heaters; heating aggregates; insulating materials; maturity testing; protection; strength development.

PDF Catalog

PDF Pages PDF Title
3 CONTENTS
4 CHAPTER 1— INTRODUCTION AND SCOPE
1.1— Introduction
1.2—Scope
CHAPTER 2— NOTATION AND DEFNITIONS
2.1—Notation
5 2.2—Definitions
CHAPTER 3— POTENTIAL PROBLEMS AND PRACTICES
3.1— Potential problems in hot weather
3.2—Potential problems related to other factors
3.3—Practices for hot weather concreting
CHAPTER 4— EFFECTS OF HOT WEATHER ON CONCRETE PROPERTIES
4.1— General
6 4.1.1 Effect on strength
4.1.2 Effect of proper curing
4.1.3 Effect of surface drying
4.1.4 Effect of evaporation
8 4.1.5 Effect of bleeding
4.2—Estimating evaporation rate
4.2.1 Precision of computed evaporation rate
4.2.2 Menzel equation using vapor pressure tables
9 4.2.3 Example of Menzel formula that uses vapor pressure tables
4.2.3.1 Example with SI units
10 4.2.3.2 Example with in.-lb units
4.2.4 Equations for saturation vapor pressure
4.3—Temperature of concrete
11 4.4—Ambient conditions
12 4.5—Water
4.5.1 Effect on slump
4.5.2 Effect on drying shrinkage
4.5.3 Effect on temperature of concrete
13 4.6—Cement
4.6.1 Effect of slow-setting cement
14 4.7—Supplementary cementitious materials
4.8—Chemical admixtures
4.8.1 Water-reducing and retarding admixtures
4.8.2 Flowing concrete
4.8.3 Extended slump
15 4.8.4 Mid-range water reducing admixtures
4.8.5 Extended set-control
4.8.6 Evaulation
4.9—Aggregates
4.10—Proportioning
4.10.1 Trial batches
16 4.10.1.1 Procedure A
4.10.1.2 Procedure B
4.10.1.3 Alternative to Procedures A or B
CHAPTER 5— PRODUCTION AND DELIVERY
5.1— General
5.2—Temperature control of concrete
5.2.1 Aggregate cooling
5.2.2 Mixer drum color
17 5.2.3 Project plan
5.3—Batching and mixing
5.3.1 Slump control
18 5.3.2 Hydration control
5.3.3 Mixer control
5.4—Delivery
5.5—Slump adjustment
5.6—Properties of concrete mixtures
5.7—Retempering
CHAPTER 6— PLACING AND CURING
6.1— General
6.1.1
19 6.1.2
6.2—Preparations for placing and curing
6.2.1 Planning hot weather placements
6.2.2 Preparing for ambient conditions
6.2.3 Expediting placement
6.2.4 Placing equipment
6.2.5 Consolidation equipment
6.2.6 Preparations for protecting and curing the concrete
20 6.2.7 Preparing incidental work
6.3—Placement and finishing
6.3.1 General
6.3.2 Placing formed concrete
6.3.3 Placement of flatwork
6.3.4 Plastic shrinkage cracks
6.4—Curing and protection
6.4.1 General
21 6.4.2 Moist curing of flatwork
6.4.3 Membrane curing of flatwork
6.4.4 Concrete in formwork
CHAPTER 7— TESTING AND INSPECTION
7.1— Testing
7.1.1 Curing test specimens
7.1.2 Additional test specimens
22 7.2—Inspection
7.2.1
7.2.2
CHAPTER 8— REFERENCES
8.1— Referenced standards and reports
23 8.2—Cited references
24 APPENDIX A— ESTIMATING CONCRETE TEMPERATURE
A1— Estimating temperature of freshly mixed concrete
A2—Estimating temperature of concrete with ice
25 APPENDIX B— METHODS FOR COOLING FRESH CONCRETE
B.1—Cooling with chilled mixing water
B.2—Liquid nitrogen cooling of mixing water
B.3—Cooling concrete with ice
B.4—Cooling mixed concrete with liquid nitrogen
B.4.1
B.4.2
B.5—Cooling of coarse aggregates
B.5.1
B.5.2
ACI 305RS 10
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